本题目来源于试卷: gc physics textbook chapter 4 problems，类别为 通用国际物理
[问答题]
Two rock climbers, Bill and Karen, use safety rl;gh bfn, n:ai :7/gjlopes of similar len nxwomr/q .f;,gth. Karen's rope is more elastic, called a dynamic rope by climbers. Bill has a static rope, not recommended for safety purposes in pro climbing. Karen falls freely about 2.0 m and then the rope stops her over a distar fwno/x,q;m. nce of 1.0 m (Fig. 463). (a) Estimate, assuming that the force is constant, how large a force she will feel from the rope. (Express the result in multiples of her weight.) (b) In a similar fall, Bill's rope stretches by 30 cm only. How many times his weight will the rope pull on him? Which climber is more likely to be hurt?
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